CRRC Plant Machinery Institute is a wholly-owned subsidiary of CRRC Company in China, which is directly supervised by the State Railway Administration and enjoys the status of central enterprise. Central enterprises refer to state-owned enterprises directly invested or controlled by the central government, and their business scope covers key national areas. As a leading enterprise in the field of rail transit in China, CRRC Zhuyuan focuses on the technical equipment and system integration of rail transit, which belongs to the field of national key support and supervision. Therefore, CRRC Plant Machinery Institute is clearly listed as a central enterprise.